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Characteristics of RFID Tags

Date of release:2019-01-15 Author: Click:

The working frequency of RFID tag is one of its most important characteristics, and tags working in different frequency bands or frequency points have different characteristics. Radio Frequency Identification (RFID) applications occupy a frequency band or frequency point which is internationally recognized as located in the ISM band. Typical operating frequencies are 125 kHz, 134.2 kHz, 13.56 MHz, 433 MHz, 860-960 MHz, 2.45 GHz, 5.8 GHz, etc.



So do you know about the characteristics of UHF RFID tags? Here's a short edition for you to analyze:

1. UHF RFID tags have high transmission rate and can be read in large quantities in a short time.

2. UHF radio waves can not penetrate through many materials, especially water, dust, fog, metal and other materials.

3. The antenna of the RFID tag is usually long and label-like. The antenna has linear and circular polarization to meet the corresponding application requirements.

4. UHF RFID tags transmit energy through electric field. The energy of electric field decreases not very fast, but the reading area is not well defined. The reading distance of a certain frequency band is relatively long, and the passivity can reach about 10 meters. Energy exchange and data transmission are mainly carried out by capacitance coupling.

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Key word:非接触式ic卡原理,非接触式ic卡的应用,非接触式ic卡结构

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